2133973668516 has 12 divisors (see below), whose sum is σ = 4979271893232. Its totient is φ = 711324556168.

The previous prime is 2133973668503. The next prime is 2133973668523. The reversal of 2133973668516 is 6158663793312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2133973668516.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88915569510 + ... + 88915569533.

It is an arithmetic number, because the mean of its divisors is an integer number (414939324436).

Almost surely, 2^{2133973668516} is an apocalyptic number.

It is an amenable number.

2133973668516 is an abundant number, since it is smaller than the sum of its proper divisors (2845298224716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133973668516 is a wasteful number, since it uses less digits than its factorization.

2133973668516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177831139050 (or 177831139048 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 60.

The spelling of 2133973668516 in words is "two trillion, one hundred thirty-three billion, nine hundred seventy-three million, six hundred sixty-eight thousand, five hundred sixteen".